15.Government reports, legal papers and most business letters are the main situations
English is used.
A.when B.that C.how D.where
14.His income today is double it was five years ago.
A.that B.which C.what D.as
13.There were a lot of people in the reading room, most of with their heads bent down over their books.
A.them B.whom C.that D.which
12.-Mary looks hot and dry.
-So you if you had a high fever.
A.do B.are C.will D.would
11.It is hightly desirable that every effort to reduce the pollution in Beijing.
A.is made B.was made C.were made D.be made
10.It is the protection for trees really matters, how many trees are planted.
A.what, besides B.that, except
C.that, rather than D.what, other than
9.There are ten waiting rooms at the newly-built station, in all 20,000 people.
A.seating B.seated C.sitting D.to seat